Demarcus is a distinctive boys' name in United States, ranking #823 in 2009 with 267 recorded births. The name reached its all-time peak in 1996 with 404 births ranking #510. Since 1996, the popularity has decreased by 33.9%. In 2009, approximately 1 in every 7,428 boys born was named Demarcus. FALLING Recent data shows the name is currently falling.